6 events the sources record for this year, grouped by region.
What happened
China (3)
Pang Xun, a frontier soldier of Guilin, took Xuzhou and killed Jiedushi Cui Yanzeng (the Pang Xun Rebellion). (Old Book of Tang (Jiu Tangshu), Annals 舊唐書 卷19上 咸通9年)
Pang Xun captured Xuzhou; Circuit Surveillance Commissioner Cui Yanzeng was killed in battle. (New Book of Tang (Xin Tangshu), Annals 新唐書 卷009 懿宗·僖宗 咸通9年10月)
The province of Dewa reports that six stone arrowheads fell like rain in front of the two shrines of Tsukiyama and Ōmonoki in Akumi district. (Nihon Sandai Jitsuroku 卷第十五 貞觀10年十五日 (원문 15.68))
On the fifteenth day of the seventh month, Harima province reports that on the eighth of this month a great earthquake collapsed the official residences of several districts and the pagodas and halls of the registered temples (jōgakuji) (the Harima earthquake of the tenth year of Jōgan). (Nihon Sandai Jitsuroku 卷第十五 貞觀10年7月十五日 (원문 15.126))
Western Europe (1)
The army wintered at Nottingham in Mercia; at Burgred's request Æthelred and Alfred of Wessex came and besieged them, and peace was made without a major battle. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 868 항 (pg657.txt 줄 2738))